now with configuration

flake.nix

@@ -48,6 +48,13 @@
           )
         );
 
+      mkFfmpegPackage =
+        pkgs:
+        pkgs.ffmpeg-full.override {
+          withUnfree = true;
+          withFdkAac = true;
+        };
+
       mkTreefmtConfig = pkgs: (treefmt-nix.lib.evalModule pkgs ./treefmt.nix).config;
 
       workspace = uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
@@ -61,7 +68,7 @@
       mkPackage =
         pkgs:
         let
-          ffmpegPackage = pkgs.ffmpeg-full;
+          ffmpegPackage = mkFfmpegPackage pkgs;
 
           pythonSet =
             (pkgs.callPackage pyproject-nix.build.packages {
@@ -233,7 +240,7 @@
           packages = [
             pkgs.python313
             pkgs.uv
-            pkgs.ffmpeg-full
+            (mkFfmpegPackage pkgs)
           ];
           env.LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath [
             pkgs.stdenv.cc.cc